Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6719099 | Integral elevator hydraulic power unit | William Rafferty | 2004-04-13 |
| 6653943 | Suspension rope wear detector | Karl B. Orndorff | 2003-11-25 |
| 6561318 | Emergency manual elevator drive | — | 2003-05-13 |
| 6488129 | Cooling device for a drive means of an elevator | — | 2002-12-03 |
| 6227335 | Elevator car operating panel | Robert Koeppe | 2001-05-08 |
| 5613576 | Apparatus for preventing drift of an elevator car stopped at a floor | — | 1997-03-25 |
| 5609225 | Compensation guidance system | Louis M. Capuano | 1997-03-11 |
| 5419415 | Apparatus for monitoring elevator brakes | Matthew Martin | 1995-05-30 |
| 5255760 | Apparatus for detecting and signaling the function and status of an elevator safety brake | Herbert Bachmann | 1993-10-26 |
| 5202539 | Emergency brake apparatus for an elevator | — | 1993-04-13 |
| 4842101 | Elevator system | — | 1989-06-27 |
| 4525095 | Driving and aligning coupling | Herman S. Karol | 1985-06-25 |